Eastern Lake Superior, Canada Marine Forecast, Warnings and Alerts

Canada

N.America Satellite

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Current Conditions

Canada 7 Day High and Low Temperatures Forecast

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Eastern Lake Superior

Marine Forecast

Issued 10:30 AM EDT 13 September 2026

Today Tonight and Monday.

Strong wind warning in effect.

Wind northwest 20 knots diminishing to northwest 15 this evening and to northwest 10 early Monday morning. Wind becoming south 10 near noon Monday then increasing to south 20 Monday evening.

Scattered showers ending this evening. Periods of rain Monday evening. Visibility 1 mile or less in rain.

Winds

Issued 10:30 AM EDT 13 September 2026

Today Tonight and Monday. Strong wind warning in effect. Wind northwest 20 knots diminishing to northwest 15 this evening and to northwest 10 early Monday morning. Wind becoming south 10 near noon Monday then increasing to south 20 Monday evening.

Waves

Issued 10:30 AM EDT 13 September 2026

Today Tonight and Monday. Waves 1 to 1.5 metres subsiding to 0.5 to 1 near midnight and to 0.5 or less Monday morning. Waves building to 1 to 1.5 Monday evening.

Weather & Visibility

Issued 10:30 AM EDT 13 September 2026

Today Tonight and Monday. Scattered showers ending this evening. Periods of rain Monday evening. Visibility 1 mile or less in rain.

Ice Forecasts

Issued 12:00 PM EDT 17 May 2026 Forecasts have ended for the season.

Warnings (In effect)

Strong wind warning in effect

Eastern Lake Superior

Issued 10:30 AM EDT 13 September 2026

'Strong' winds of 20 to 33 knots are occurring or expected to occur in this marine area. Please refer to the latest marine forecasts for further details and continue to monitor the situation through Canadian Coast Guard radio.

Technical Marine Synopsis

Issued 10:30 AM EDT 13 September 2026 Today Tonight and Monday At 10:30 a.m. EDT today departing cold front from 988 mb low
located on a line northeast-southwest over Lake Simcoe.

At 10:30 a.m. EDT today ridge located on a line northwest-southeast
over North Dakota.
By 10:30 a.m. EDT Monday ridge located on a line northwest-southeast
over Michigan.

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